+ * This class may be instantiated; it is not intended to be subclassed. + *
+ * + * @since 2.1 + * + * @noextend This class is not intended to be subclassed by clients. + */ +public class ConvertAnonymousToNestedAction extends SelectionDispatchAction { + + private final JavaEditor fEditor; + + /** + * Note: This constructor is for internal use only. Clients should not call this constructor. + * @param editor the java editor + * + * @noreference This constructor is not intended to be referenced by clients. + */ + public ConvertAnonymousToNestedAction(JavaEditor editor) { + super(editor.getEditorSite()); + setText(RefactoringMessages.ConvertAnonymousToNestedAction_Convert_Anonymous); + fEditor= editor; + setEnabled(SelectionConverter.getInputAsCompilationUnit(fEditor) != null); + PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CONVERT_ANONYMOUS_TO_NESTED_ACTION); + } + + /** + * Creates a newConvertAnonymousToNestedAction. The action requires
+ * that the selection provided by the site's selection provider is of type
+ * org.eclipse.jface.viewers.IStructuredSelection.
+ *
+ * @param site the site providing context information for this action
+ */
+ public ConvertAnonymousToNestedAction(IWorkbenchSite site) {
+ super(site);
+ fEditor= null;
+ setText(RefactoringMessages.ConvertAnonymousToNestedAction_Convert_Anonymous);
+ PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.CONVERT_ANONYMOUS_TO_NESTED_ACTION);
+ }
+
+ //---- Structured selection -----------------------------------------------------
+
+ /* (non-Javadoc)
+ * Method declared on SelectionDispatchAction
+ */
+ @Override
+ public void selectionChanged(IStructuredSelection selection) {
+ try {
+ setEnabled(RefactoringAvailabilityTester.isConvertAnonymousAvailable(selection));
+ } catch (JavaModelException e) {
+ if (JavaModelUtil.isExceptionToBeLogged(e))
+ JavaPlugin.log(e);
+ setEnabled(false);
+ }
+ }
+
+ /* (non-Javadoc)
+ * Method declared on SelectionDispatchAction
+ */
+ @Override
+ public void run(IStructuredSelection selection) {
+ IType type= getElement(selection);
+ if (type == null)
+ return;
+ ISourceRange range;
+ try {
+ range= type.getNameRange();
+ run(type.getCompilationUnit(), range.getOffset(), range.getLength());
+ } catch (JavaModelException e) {
+ ExceptionHandler.handle(e, RefactoringMessages.ConvertAnonymousToNestedAction_dialog_title, RefactoringMessages.NewTextRefactoringAction_exception);
+ }
+ }
+
+ private IType getElement(IStructuredSelection selection) {
+ if (selection.size() != 1)
+ return null;
+ Object element= selection.getFirstElement();
+ if (!(element instanceof IType))
+ return null;
+ IType type= (IType)element;
+ try {
+ if (type.isAnonymous())
+ return type;
+ } catch (JavaModelException e) {
+ // fall through
+ }
+ return null;
+ }
+
+ //---- Text selection -----------------------------------------------------------
+
+ /* (non-Javadoc)
+ * Method declared on SelectionDispatchAction
+ */
+ @Override
+ public void run(ITextSelection selection) {
+ run(SelectionConverter.getInputAsCompilationUnit(fEditor), selection.getOffset(), selection.getLength());
+ }
+
+ /* (non-Javadoc)
+ * Method declared on SelectionDispatchAction
+ */
+ @Override
+ public void selectionChanged(ITextSelection selection) {
+ setEnabled(fEditor != null && SelectionConverter.getInputAsCompilationUnit(fEditor) != null);
+ }
+
+ /**
+ * Note: This method is for internal use only. Clients should not call this method.
+ * @param selection the Java text selection (internal type)
+ *
+ * @noreference This method is not intended to be referenced by clients.
+ */
+ @Override
+ public void selectionChanged(JavaTextSelection selection) {
+ try {
+ setEnabled(RefactoringAvailabilityTester.isConvertAnonymousAvailable(selection));
+ } catch (JavaModelException e) {
+ setEnabled(false);
+ }
+ }
+
+ //---- helpers -------------------------------------------------------------------
+
+ private void run(ICompilationUnit unit, int offset, int length) {
+ if (!ActionUtil.isEditable(fEditor, getShell(), unit))
+ return;
+ RefactoringExecutionStarter.startConvertAnonymousRefactoring(unit, offset, length, getShell());
+ }
+}